Actuating device for sliver cans



Jan. 21, 1958 J, KAISER' ACTUATING DEVICE FOR SLIVER CANS Filed Feb. 21,1955 0 W7 M W? A. m]

Stats ACTUATING DEVICE FOR SLIVER CANS .lohann Kaiser, Waldshut, Baden,Germany, assignor to Chr. Mann, Maschinenfabrik, Waldshnt, Baden,Germany The present invention relates to sliver cans and, moreparticularly, to a device for actuating sliver cans. Devices are knownwhich impart a rotative movement to cans used with spinning machines,for instance drawing frames, in order to deposit the sliver in said cansin a certain manner.

With heretofore known actuating devices for such cans, the can is placedupon a rotatable plate or disc so that it rotates about its own axis.The feeding device for the sliver is with these known arrangementseccentrically arranged above the can. This manner of depositing thesliver brings about an undesired twist of the sliver.

There are also devices known which impart upon the can an eccentricmovement. These devices, however, likewise bring about a certainrotation of the can about its own axis and thus affect the depositing ofthe sliver. In order to prevent such rotation, it has been suggested tohold the can at its upper end by means of an eccentrically actuated andparallelly displaced fork. Such an arrangement, however, requires a verystrong supporting structure which complicates the entire machinestructure inasmuch as it has to stand the weight of a number of canssuspended thereon. Moreover the cans wear easily and quickly at thoseedge portions by means of which they are suspended in said forks.

It is, therefore, an object of the present invention to provide anactuating device for sliver cans which will overcome the above mentioneddrawbacks.

It is another object of this invention to provide an actuating devicefor sliver cans which will make it possible to deposit the sliver in thecan without any twist and without the risk that the required guidingmeans will damage the can and therefore reduce the useful life thereof.

Still another object of this invention consists in the provision of anactuating device for sliver cans of the type set forth in the precedingparagraph which will be simple in construction, easy to operate andrelatively inexpensive.

These and other objects and advantages of the invention will appear moreclearly from the following speci:

fication in connection with the accompanying drawing in which:

Fig. 1 is a view of an actuating device for sliver cans in conformitywith the present invention.

Fig. 2 is a top view of Fig. 1.

The primary feature of the present invention consists in that areceiving plate or disc is provided which carries the sliver can and iseccentrically journalled on a rotatable disc or plate. The saidreceiving plate or disc is connected with a stationary frame by means ofa parallel guiding mechanism in such a manner that the receiving disc orplate when rotating about the axis of the rotatable disc or plate willnot rotate about its own axis.

Referring now to the drawing in detail, the can actuating device showntherein comprises a rotatable plate atent 5 pivot bearing 4 protrudesupwardly from the surface of the rotatable disc or plate 1 and hasrotatably mounted therein a pivot 4a pertaining to the can receivingdisc or plate 5. The plate 5 for the can K has its marginal portion bentupwardly, and the inner diameter of this upwardly bent portion is ofsuch dimension that the can can be conveniently placed upon the plate 5Within the marginal portion and has a good fit therein.

When the rotatable plate 1 is rotated, the longitudinal central axis ofthe can moves along a circle about the pivot 2. A parallel guidingmechanism 6 has its ends 611, 6b pivotally connected to a stationaryframe 7, for instance the machine frame, while the opposite ends 60 and6d of the parallel guiding mechanism are connected by pivot points 8, 8to the can receiving plate 5. This parallel guiding mechanism 6 preventsthe can receiving plate 5 from rotating about its own axis and therebyalso prevents the can K from rotating about its axis. Thus, while thepivot 4a moves along a circle about the pivot 2 when disc 1 rotates, thepivot 4a does not rotate about its own axis. Consequently, also plate 5integral with pivot 4a and carrying the sliver can K does not rotateabout its axis. Therefore, can K does not rotate about its own axis.

It is, of course, to be understood that the present invention is, by nomeans, limited to the particular construction shown in the drawing butalso comprises any modifications within the scope of the appendedclaims.

What I claim is:

1. A device for eccentrically moving a sliver can, which comprises incombination: a first rotatable member rotatable about its central axis,a second rotatable member pivotally connected to and supported by saidfirst rotatable member and arranged to receive and support a sliver can,the pivotal connection of said first rotatable member with said secondrotatable member being eccentrically arranged with regard to the axis ofrotation of said first rotatable member, stationary means, and parallelguiding means having the ends thereof pivotally connected to saidstationary means and said second rotatable member respectively forpreventing said second rotatable member from rotating about its ownaxis.

2. A device for eccentrically moving a sliver can, which comprises incombination: supporting means, disc means rotatably supported by saidsupporting means and rotatable about the central axis of said discmeans, pivot bearing means eccentrically supported by said disc means,plate means pivotally supported by said pivot bearing means and arrangedto receive and support a sliver can, means for rotating said disc means,stationary frame means adjacent to but spaced from said disc means, andlever means arranged to form a parallelogram system and pivotallyconnected to said frame means and said plate means respectively forallowing the latter to pivot about the axis of said pivot bearing meanswhile preventing said plate means from rotating about its pivot axis.

References Cited in the file of this patent UNITED STATES PATENTS2,657,435 Dudley et al Nov. 3, 1953 2,672,655 Dudley et a1. Mar. 23,1954 FOREIGN PATENTS 334,413 Great Britain Sept. 4, 1930 478,162 GreatBritain Jan. 13, 1938

